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Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Components of Inventories (Details) - USD ($) $ in Thousands | Feb. 24, 2019 | May 27, 2018
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Accounting Policies [Abstract] |  |
Raw materials | $ 18,821 | $ 15,286
Work in progress | 3,385 | 3,672
Finished goods | 22,021 | 12,861
Total | $ 44,227 | $ 31,819

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